Process for preparing 2-aryl-substituted indenes

C - Chemistry – Metallurgy – 07 – C

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C07C 13/465 (2006.01) C07C 2/86 (2006.01) C07C 13/547 (2006.01) C07C 17/266 (2006.01) C07C 17/272 (2006.01) C07C 22/08 (2006.01) C07C 25/22 (2006.01) C07C 41/30 (2006.01) C07C 43/21 (2006.01) C07C 45/68 (2006.01) C07C 49/792 (2006.01) C07C 49/798 (2006.01) C07C 51/353 (2006.01) C07C 63/66 (2006.01) C07C 67/343 (2006.01) C07C 69/76 (2006.01) C07C 201/12 (2006.01) C07C 205/06 (2006.01) C07C 209/68 (2006.01) C07C 211/45 (2006.01) C07C 233/07 (2006.01) C07D 221/04 (2006.01) C07F 7/08 (2006.01) C07F 7/30 (2006.0

Patent

CA 2258747

A process is disclosed for preparing 2-aryl-substituted indenes by reacting an indene with an arene compound substituted with an halogen atom, preferably a iodine atom, or with an organosulphonate group, said reaction being carried out in a basic medium in the presence of a palladium catalyst. The compounds obtainable by this process can be used to prepare metallocene compounds with transition metals such as titanium, zirconium or hafnium, which are useful as catalyst components in the polymerization of olefins.

L'invention concerne un procédé de préparation d'indènes substitués par du 2-aryl qui consiste à faire réagir un indène avec un composé d'arène substitué par un atome d'halogène, de préférence, un atome d'iode, ou par un groupe organosulfonate. Cette réaction est effectuée dans un milieu basique en présence d'un catalyseur de paladium. Les composés pouvant être obtenus par ce procédé peuvent être utilisés pour préparer des composés de métallocène avec des métaux de transition comme du titanium, du zirconium ou de l'hafnium qui présentent un intérêt comme composants catalyseurs dans la polymérisation des oléfines.

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